.app {
  text-align: center;
}

.app-header {
  background-color: #282c34;
  padding: 40px 20px;
  color: white;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.app-header h1 {
  margin-bottom: 20px;
  color: #61dafb;
}

.counter {
  margin: 30px 0;
  padding: 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.counter p {
  font-size: 1.5em;
  margin-bottom: 15px;
}

.counter button {
  background: #61dafb;
  border: none;
  padding: 10px 20px;
  margin: 0 5px;
  border-radius: 5px;
  color: #282c34;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.counter button:hover {
  background: #21a0c4;
}

.features {
  margin-top: 30px;
}

.features ul {
  list-style: none;
  padding: 0;
}

.features li {
  padding: 5px 0;
  font-size: 1.1em;
}